51汇编程序实例[归.pdf
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1、51 汇编程序实例:举一例说明:流水灯加数码管LOOP:;标号CLR P2.6 ;选中 p2.6 数码管左边的 8 字使能SETB P2.7 ;p2.7 不使能。右边的数码管消隐MOV P0,#28H ;把 28h 送 p0 口;数码管显示0 LCALL DELAY;延时MOV P0,#0FFH ;0ffh 送 p0 口,数码管清除CLR P1.0 ;点亮 p1.0 发光管MOV P0,#7EH;把 7eh 送 p0 口;数码管显示1 LCALL DELAY MOV P0,#0FFH CLR P1.1;点亮 p1.0 发光管CLR P1.0;点亮 p1.0 发光管MOV P0,#0A2H;数码
2、管显示 2 LCALL DELAY MOV P0,#0FFH CLR P1.2 CLR P1.1 CLR P1.0 MOV P0,#62H;数码管显示3 LCALL DELAY MOV P0,#0FFH CLR P1.3 CLR P1.2 CLR P1.1 CLR P1.0 MOV P0,#74H ;数码管显示4 LCALL DELAY MOV P0,#0FFH CLR P1.4 CLR P1.3 CLR P1.2 CLR P1.1 CLR P1.0 MOV P0,#61H ;数码管显示5;LCALL DELAY MOV P0,#0FFH CLR P1.5 CLR P1.4 CLR P1.3
3、CLR P1.2 CLR P1.1 CLR P1.0 MOV P0,#21H ;数码管显示6 LCALL DELAY MOV P0,#0FFH CLR P1.6 CLR P1.5 CLR P1.4 CLR P1.3 CLR P1.2 CLR P1.1 CLR P1.0 MOV P0,#7AH ;数码管显示7 LCALL DELAY MOV P0,#0FFH CLR P1.7 CLR P1.6 CLR P1.5 CLR P1.4 CLR P1.3 CLR P1.2 CLR P1.1 CLR P1.0 MOV P0,#20H ;数码管显示8 LCALL DELAY MOV P0,#0FFH LCA
4、LL DELAY MOV P0,#0FFH MOV P1,#0FFH;程序到此结果为左边的数码管显示0,1,2,3,4,5,6,7,8;p1.0-p1.7指示灯依次点亮SETB P2.6 ;左边的 8 消隐CLR P2.7 ;选中 p2.7 数码管右边的 8 字使能,;MOV P0,#28H LCALL DELAY MOV P0,#0FFH MOV P1,#0FFH CLR P1.0 MOV P0,#7EH LCALL DELAY MOV P0,#0FFH MOV P1,#0FFH CLR P1.1 MOV P0,#0A2H LCALL DELAY MOV P0,#0FFH MOV P1,#0
5、FFH CLR P1.2 MOV P0,#62H LCALL DELAY MOV P0,#0FFH MOV P1,#0FFH CLR P1.3 文档编码:CR3Z8T2K9K8 HU8X6Z8F9G5 ZB7Y2N9L2X2文档编码:CR3Z8T2K9K8 HU8X6Z8F9G5 ZB7Y2N9L2X2文档编码:CR3Z8T2K9K8 HU8X6Z8F9G5 ZB7Y2N9L2X2文档编码:CR3Z8T2K9K8 HU8X6Z8F9G5 ZB7Y2N9L2X2文档编码:CR3Z8T2K9K8 HU8X6Z8F9G5 ZB7Y2N9L2X2文档编码:CR3Z8T2K9K8 HU8X6Z8F9G5
6、 ZB7Y2N9L2X2文档编码:CR3Z8T2K9K8 HU8X6Z8F9G5 ZB7Y2N9L2X2文档编码:CR3Z8T2K9K8 HU8X6Z8F9G5 ZB7Y2N9L2X2文档编码:CR3Z8T2K9K8 HU8X6Z8F9G5 ZB7Y2N9L2X2文档编码:CR3Z8T2K9K8 HU8X6Z8F9G5 ZB7Y2N9L2X2文档编码:CR3Z8T2K9K8 HU8X6Z8F9G5 ZB7Y2N9L2X2文档编码:CR3Z8T2K9K8 HU8X6Z8F9G5 ZB7Y2N9L2X2文档编码:CR3Z8T2K9K8 HU8X6Z8F9G5 ZB7Y2N9L2X2文档编码:CR3
7、Z8T2K9K8 HU8X6Z8F9G5 ZB7Y2N9L2X2文档编码:CR3Z8T2K9K8 HU8X6Z8F9G5 ZB7Y2N9L2X2文档编码:CR3Z8T2K9K8 HU8X6Z8F9G5 ZB7Y2N9L2X2文档编码:CR3Z8T2K9K8 HU8X6Z8F9G5 ZB7Y2N9L2X2文档编码:CR3Z8T2K9K8 HU8X6Z8F9G5 ZB7Y2N9L2X2文档编码:CR3Z8T2K9K8 HU8X6Z8F9G5 ZB7Y2N9L2X2文档编码:CR3Z8T2K9K8 HU8X6Z8F9G5 ZB7Y2N9L2X2文档编码:CR3Z8T2K9K8 HU8X6Z8F9G5
8、 ZB7Y2N9L2X2文档编码:CR3Z8T2K9K8 HU8X6Z8F9G5 ZB7Y2N9L2X2文档编码:CR3Z8T2K9K8 HU8X6Z8F9G5 ZB7Y2N9L2X2文档编码:CR3Z8T2K9K8 HU8X6Z8F9G5 ZB7Y2N9L2X2文档编码:CR3Z8T2K9K8 HU8X6Z8F9G5 ZB7Y2N9L2X2文档编码:CR3Z8T2K9K8 HU8X6Z8F9G5 ZB7Y2N9L2X2文档编码:CR3Z8T2K9K8 HU8X6Z8F9G5 ZB7Y2N9L2X2文档编码:CR3Z8T2K9K8 HU8X6Z8F9G5 ZB7Y2N9L2X2文档编码:CR3
9、Z8T2K9K8 HU8X6Z8F9G5 ZB7Y2N9L2X2文档编码:CR3Z8T2K9K8 HU8X6Z8F9G5 ZB7Y2N9L2X2文档编码:CR3Z8T2K9K8 HU8X6Z8F9G5 ZB7Y2N9L2X2文档编码:CR3Z8T2K9K8 HU8X6Z8F9G5 ZB7Y2N9L2X2文档编码:CR3Z8T2K9K8 HU8X6Z8F9G5 ZB7Y2N9L2X2文档编码:CR3Z8T2K9K8 HU8X6Z8F9G5 ZB7Y2N9L2X2文档编码:CR3Z8T2K9K8 HU8X6Z8F9G5 ZB7Y2N9L2X2文档编码:CR3Z8T2K9K8 HU8X6Z8F9G5
10、 ZB7Y2N9L2X2文档编码:CR3Z8T2K9K8 HU8X6Z8F9G5 ZB7Y2N9L2X2文档编码:CR3Z8T2K9K8 HU8X6Z8F9G5 ZB7Y2N9L2X2文档编码:CR3Z8T2K9K8 HU8X6Z8F9G5 ZB7Y2N9L2X2文档编码:CR3Z8T2K9K8 HU8X6Z8F9G5 ZB7Y2N9L2X2文档编码:CR3Z8T2K9K8 HU8X6Z8F9G5 ZB7Y2N9L2X2文档编码:CR3Z8T2K9K8 HU8X6Z8F9G5 ZB7Y2N9L2X2文档编码:CR3Z8T2K9K8 HU8X6Z8F9G5 ZB7Y2N9L2X2文档编码:CR3
11、Z8T2K9K8 HU8X6Z8F9G5 ZB7Y2N9L2X2文档编码:CR3Z8T2K9K8 HU8X6Z8F9G5 ZB7Y2N9L2X2文档编码:CR3Z8T2K9K8 HU8X6Z8F9G5 ZB7Y2N9L2X2文档编码:CR3Z8T2K9K8 HU8X6Z8F9G5 ZB7Y2N9L2X2文档编码:CR3Z8T2K9K8 HU8X6Z8F9G5 ZB7Y2N9L2X2MOV P0,#74H LCALL DELAY MOV P0,#0FFH MOV P1,#0FFH CLR P1.4 MOV P0,#61H LCALL DELAY MOV P0,#0FFH MOV P1,#0FFH
12、 CLR P1.5 MOV P0,#21H LCALL DELAY MOV P0,#0FFH MOV P1,#0FFH CLR P1.6 MOV P0,#7AH LCALL DELAY MOV P0,#0FFH MOV P1,#0FFH CLR P1.7 MOV P0,#20H LCALL DELAY MOV P0,#0FFH MOV P1,#0FFH MOV P0,#0FFH MOV P1,#0FFH;这一段和上一段基本相同,不同的是右边的数码管依次显示012345678,左边的不亮;;同时 p1 口的灯流动显示:AJMP LOOP;注意:程序运行到此跳转到开始标号,重复执行:DELAY:;
13、延时子程序;参考前面的教程:CLR P3.3 ;注意小喇叭在 3.3 口,这里可以使小喇叭发出嗒,嗒声MOV R7,#255 NOP NOP D1:MOV R6,#255 setb p3.3 D2:DJNZ R6,D2 clr p3.3 DJNZ R7,D1 SETB P3.3 RET END LOOP:;标号CLR P2.6 ;选中 p2.6 数码管左边的 8 字使能SETB P2.7 ;p2.7 不使能。右边的数码管消隐MOV P0,#28H ;把 28h 送 p0 口;数码管显示0 ;28 为 1010000 LCALL DELAY ;延时程序MOV P0,#0FFH ;0ffh 送 p
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